/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package com.architexa.org.eclipse.gef;

import com.architexa.org.eclipse.draw2d.geometry.Point;


/**
 * Specializes {@link EditPartViewer} adding the ability to hit-test {@link Handle
 * Handles}.
 * @see com.architexa.org.eclipse.gef.ui.parts.GraphicalViewerImpl
 */
public interface GraphicalViewer
	extends EditPartViewer
{

/**
 * Returns the <code>Handle</code> at the specified Point. Returns <code>null</code> if no
 * handle exists at the given Point. The specified point should be relative to the
 * {@link org.eclipse.swt.widgets.Scrollable#getClientArea() client area} for this
 * Viewer's <code>Control</code>.
 * @param p the location relative to the Control's client area
 * @return Handle <code>null</code> or a Handle
 */
Handle findHandleAt(Point p);

}
